I would like to obtain encypted data over a network in real-time. The
nature of the data and process is as follows...
A physical hardware device is located at some remote location. When the
sensor gets activated, it must notify an operator at a remote facility
within seconds (probably no less than 2 seconds). The device is
attached to some computer system by a network and will transmit various
types and amounts of data once the device is activated. This data must
be encrypted with some very high and secure encryption method. If
someone were to decrypt the data during its real-time transfer, it
could result in an unimaginable catastrophic event (including death to
people).
Once the client application receives the data, it must present it on
the screen instanteously (virtually no delay) so that action can be
taken.
Obviously, the use of the Internet is ruled out because the Internet
cannot deliver real-time (or even close to the speed I require). Even
so, the nature of the application does raise some interesting
questions:
1. Given a dedicated and secure network, would Internet technologies
(using TCP/IP, etc.) be suitable for this type of application? Or...
2. Would a dedicated client/server based on some proprietary network
protocol significantly outperform a TCP/IP based application?
3. If the application is based on .NET, does .NET provide enough
security services to handle this type of application?
4. Would an application written closer to the machine level rather than
going through a layer such as the CLR give significantly higher
performance (in other words, don't use .NET but write stand-alone C++
applications)?
5. Assuming that a private network (Intranet) based on TCP/IP could be
used, could a browser-based app be used? The question here is whether
it is possible for the remote system to notify a browser application
without the browser app having to poll the remote system.
6. Have you ever come across an application of this nature and if so,
what OS was it using and what programming language/technologies did it
use?
Using TCP/IP technologies definitely does have a benefit because it
does allow the system to expand and interact with a huge host of
applications that deal with this technology. Under some conditions, it
may even be permissable to transmit some of this data over a public
Internet and therefore being more native to the TCP/IP world would make
things more compatible (although at the higher risk of being
intercepted and decrypted).
Thank you for your insight
Johann 1 1806
Johann,
See inline: 1. Given a dedicated and secure network, would Internet technologies (using TCP/IP, etc.) be suitable for this type of application? Or...
Absolutely not.
2. Would a dedicated client/server based on some proprietary network protocol significantly outperform a TCP/IP based application?
It probably would, because you wouldn't have to deal with network hops,
router traffic, etc, etc. Just a straight pipeline from point A to point B.
3. If the application is based on .NET, does .NET provide enough security services to handle this type of application?
From a security standpoint, yes, the .NET framework has a number of
classes that can be used to handle the encryption of your data.
4. Would an application written closer to the machine level rather than going through a layer such as the CLR give significantly higher performance (in other words, don't use .NET but write stand-alone C++ applications)?
Probably, but it would also be a nightmare to maintain. I would also
consider a custom environment as well, so that it will do only what you need
it to do.
5. Assuming that a private network (Intranet) based on TCP/IP could be used, could a browser-based app be used? The question here is whether it is possible for the remote system to notify a browser application without the browser app having to poll the remote system.
Absolutely not. Browsers are pull technology, they pull from a server.
Sometimes it takes two seconds for a browser just to render the content.
6. Have you ever come across an application of this nature and if so, what OS was it using and what programming language/technologies did it use?
Anything of this nature that I have seen has been written from the
ground up, as well as designed from the ground up (hardware and software) to
handle these tasks. You really can't use any publically available OS do
this, as your requirements are quite high.
Hope this helps.
--
- Nicholas Paldino [.NET/C# MVP]
- mv*@spam.guard. caspershouse.co m
Using TCP/IP technologies definitely does have a benefit because it does allow the system to expand and interact with a huge host of applications that deal with this technology. Under some conditions, it may even be permissable to transmit some of this data over a public Internet and therefore being more native to the TCP/IP world would make things more compatible (although at the higher risk of being intercepted and decrypted).
Thank you for your insight Johann This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics |
by: Aaron W. West |
last post by:
Timings... sometimes there are almost too many ways to do the same thing.
The only significant findings I see from all the below timings is:
1) Integer math is generally fastest, naturally. Bigint math isn't much
slower, for integers that all fit within an integer.
2) Converting float to varchar is relatively slow, and should be avoided if
possible. Converting from integer to varchar or varchar to int is several
times faster.
|
by: computer_prog |
last post by:
I have a field of type Real in my SQL 2K database. I stored a value of
..35 in the field.
When I "Open Table"->"Return All Rows" in the Enterprise Manager I get
back .35 for the field value.
I went to The SQL Query Analyzer and executed the following T-SQL:
SELECT field
FROM table
|
by: mo |
last post by:
Hi
We've got some numbers stored as Reals which are returning values in
scientific notation that we need rounded down to 3 digits to the right
of the decimal.
ie 8.7499999E-2 needs to return 8.75.
Round, cast, convert, formatnumber in the dts package all fail.
Help!
Thanks Moe
|
by: Allan Adler |
last post by:
I'm trying to reinstall RedHat 7.1 Linux on a PC that was disabled when
I tried to upgrade from RH7.1 to RH9. This is presenting lots of unexpected
difficulties. Apart from wanting to keep the old model T in shape, I'm treating
this as a learning experience. Right now, I'm trying to gain more control
over the installation CD. By that I mean, I intend to modify the installation
script and other aspects of the CD and burn a new installation...
|
by: John Marble |
last post by:
I looked around for a way to change the format and the decimal setting
of a REAL type variable, but I can't seem to be able to find the
synthax anywhere.
Here is an exemple of what I am doing:
ALTER TABLE MAIN ALTER COLUMN sup_visee REAL;
It works, it changes the column "sup_visee" which was a String into a
REAL. What I want to do too is to be able to set the REAL format to
| |
by: Henry Wu |
last post by:
Hi, now that in .NET everything is on millimeter, I was wondering how
can one convert Pixel to Millimeter and any user's screen/monitor. I
saw the following code on how to convert pixel to millimeter. It's
done on pascal/delphi, but can be very easily read & converted to VB
..NET.
However my question is what is the difference between "real"
millimeters and "logical" millimeters?
The source of the code is in the following thread:
|
by: Raymond Hettinger |
last post by:
Proposal
--------
I am gathering data to evaluate a request for an alternate version of
itertools.izip() with a None fill-in feature like that for the built-in
map() function:
>>> map(None, 'abc', '12345') # demonstrate map's None fill-in feature
The motivation is to provide a means for looping over all data elements
|
by: Raymond Hettinger |
last post by:
I am evaluating a request for an alternate version of itertools.izip()
that has a None fill-in feature like the built-in map function:
>>> map(None, 'abc', '12345') # demonstrate map's None fill-in feature
The movitation is to provide a means for looping over all data elements
when the input lengths are unequal. The question of the day is whether
that is both a common need and a good approach to real-world problems.
The answer to...
|
by: DirtyHarry |
last post by:
Good day everyone. This sounds like a stupid question, but I became
just curious yesterday, and I looked up several textbooks. However, no
textbooks on computer language (that I have ) mentioned this. So I am
asking to you, gurus...
Is there any particular reason to call 'float' instead of 'real'?
|
by: Tim |
last post by:
Folks,
Can anyone thow some clarifying light on the following?
I have come across a column with the same name and same data contents
defined on different tables, on some the column is defined as a FLOAT
on others it is a REAL.
(Don't ask me why, it's inherited, legacy and due for removal once we
have absorbed all the good bits into the data warehouse). .
|
by: marktang |
last post by:
ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However, people are often confused as to whether an ONU can Work As a Router. In this blog post, we’ll explore What is ONU, What Is Router, ONU & Router’s main usage, and What is the difference between ONU and Router. Let’s take a closer look !
Part I. Meaning of...
| |
by: Hystou |
last post by:
Overview:
Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows Update option using the Control Panel or Settings app; it automatically checks for updates and installs any it finds, whether you like it or not. For most users, this new feature is actually very convenient. If you want to control the update process,...
|
by: tracyyun |
last post by:
Dear forum friends,
With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each protocol has its own unique characteristics and advantages, but as a user who is planning to build a smart home system, I am a bit confused by the choice of these technologies. I'm particularly interested in Zigbee because I've heard it does some...
|
by: agi2029 |
last post by:
Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing, and deployment—without human intervention. Imagine an AI that can take a project description, break it down, write the code, debug it, and then launch it, all on its own....
Now, this would greatly impact the work of software developers. The idea...
|
by: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM).
In this session, we are pleased to welcome a new presenter, Adolph Dupré who will be discussing some powerful techniques for using class modules.
He will explain when you may want to use classes instead of User Defined Types (UDT). For example, to manage the data in unbound forms.
Adolph will...
|
by: conductexam |
last post by:
I have .net C# application in which I am extracting data from word file and save it in database particularly. To store word all data as it is I am converting the whole word file firstly in HTML and then checking html paragraph one by one.
At the time of converting from word file to html my equations which are in the word document file was convert into image.
Globals.ThisAddIn.Application.ActiveDocument.Select();...
|
by: adsilva |
last post by:
A Windows Forms form does not have the event Unload, like VB6. What one acts like?
| |
by: 6302768590 |
last post by:
Hai team
i want code for transfer the data from one system to another through IP address by using C# our system has to for every 5mins then we have to update the data what the data is updated we have to send another system
|
by: muto222 |
last post by:
How can i add a mobile payment intergratation into php mysql website.
| |